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Re: [ferret_users] how to compute annual mean time series from monthly mean data for multi years

Dear all,
i am using Monthly Mean data of Hadisst1 data for the period of 1901-2012 i.e. for 112 years and i extracted the JJAS mean time series from this data set after that i searched the mail archives and the documentation for spatial plot of trend and co-relation but i didn't get any such information about these plots.  i want to spatial plot of trend for JJAS mean SST and co-relation of SST ( pacific versus global ocean) for JJAS mean. one more thing i need to know that how to get spatial plot of trend suppose for SST as (degree Celsius/year or degree Celsius/Decade)
this is the specification for my data

use sst.nc
sh da
     currently SET data sets:
    1> ./sst.nc  (default)
 name     title                                                          I             J         K         L             M         N
 SST      sea surface temperature (degc)                   1:340     1:60      ...       1:1344       ...       ...
sh gr sst
 name       axis                                # pts        start                end
 LON191_530 LONGITUDE                340mr   10.5E                10.5W
 LAT61_120 LATITUDE                       60 r       29.5S                29.5N
 normal    Z
 TIME      TIME              1344   i   01-JAN-1901 00:00    01-DEC-2012 00:00
 normal    E
 normal    F

i hope i will get some solution for these type of plotting.




Saurabh Rathore
M.Tech (Earth System Sciences & Technology)
Centre For Oceans, Rivers, Atmosphere & Land Science Technology
Indian Institute Of Technology, Kharagpur
contact :- 91- 8345984434

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